Mercurial > hg > early-roguelike
view srogue/list.c @ 191:fb25a62680c7
srogue: clean up configuration in mdport.c.
curses.h is already included in rogue.h and doesn't need to be included
twice more in mdport.c.
Also set flags for some features when they are present.
author | John "Elwin" Edwards |
---|---|
date | Mon, 03 Aug 2015 17:16:42 -0400 |
parents | d6b7c3fb37ea |
children | 94a0d9dd5ce1 |
line wrap: on
line source
/* * Functions for dealing with linked lists of goodies * * @(#)list.c 9.0 (rdk) 7/17/84 * * Super-Rogue * Copyright (C) 1984 Robert D. Kindelberger * All rights reserved. * * Based on "Rogue: Exploring the Dungeons of Doom" * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman * All rights reserved. * * See the file LICENSE.TXT for full copyright and licensing information. */ #include <stdlib.h> #include "rogue.h" #include "rogue.ext" /* * detach: * Takes an item out of whatever linked list it might be in */ _detach(list, item) struct linked_list **list, *item; { if (*list == item) *list = next(item); if (prev(item) != NULL) item->l_prev->l_next = next(item); if (next(item) != NULL) item->l_next->l_prev = prev(item); item->l_next = NULL; item->l_prev = NULL; } /* * _attach: add an item to the head of a list */ _attach(list, item) struct linked_list **list, *item; { if (*list != NULL) { item->l_next = *list; (*list)->l_prev = item; item->l_prev = NULL; } else { item->l_next = NULL; item->l_prev = NULL; } *list = item; } /* * _free_list: Throw the whole blamed thing away */ _free_list(ptr) struct linked_list **ptr; { register struct linked_list *item; while (*ptr != NULL) { item = *ptr; *ptr = next(item); discard(item); } } /* * discard: free up an item */ discard(item) struct linked_list *item; { total -= 2; FREE(item->l_data); FREE(item); } /* * new_item: get a new item with a specified size */ struct linked_list * new_item(size) int size; { register struct linked_list *item; item = (struct linked_list *) new(sizeof *item); item->l_data = new(size); item->l_next = item->l_prev = NULL; return item; } char * new(size) int size; { register char *space = ALLOC(size); if (space == NULL) { sprintf(prbuf,"Rogue ran out of memory (%d).", md_memused()); fatal(prbuf); } total++; return space; }